Home / 1,692,242.32-2,335,155.58-928,295.88

Finding the Fourth Proportional to 1,692,242.32, 2,335,155.58 and 928,295.88

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Solution

The fourth proportional to 1,692,242.32, 2,335,155.58 and 928,295.88 is: 1,280,972.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,692,242.32 : 2,335,155.58 = 928,295.88 : x
  2. Step 2: Convert to fraction form
    1,692,242.32/2,335,155.58 = 928,295.88/x
  3. Step 3: Cross multiply
    1,692,242.32x = 2,335,155.58 × 928,295.88
  4. Step 4: Simplify right side
    1,692,242.32x = 2,167,715,304,073.01
  5. Step 5: Solve for x
    x = 2,167,715,304,073.01/1,692,242.32
  6. Step 6: Final answer
    x = 1,280,972.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.